src/service/liuService.java

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package service;

import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;


import orm.Tcatelog;
import orm.Tgoods;
import orm.Torder;
import orm.TorderItem;
import orm.Tzhishi;


import dao.DB;

public class liuService
{
	public static List catelogList()
	{
		List catelogList=new ArrayList();
		String sql="select * from t_catelog where del='no'";
		Object[] params={};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			while(rs.next())
			{
				Tcatelog catelog=new Tcatelog();
				catelog.setId(rs.getInt("id"));
				catelog.setName(rs.getString("name"));
				catelogList.add(catelog);
		    }
			rs.close();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		mydb.closed();
		return catelogList;
	}
	
	
	public static Tgoods getGoods(int id)
	{
		Tgoods goods=new Tgoods();
		
		String sql="select * from t_goods where id=?";
		Object[] params={id};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			rs.next();
			
			goods.setId(rs.getInt("id"));